Home / 18,971.48-26,181.96-10,588

Finding the Fourth Proportional to 18,971.48, 26,181.96 and 10,588

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Solution

The fourth proportional to 18,971.48, 26,181.96 and 10,588 is: 14,612.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,971.48 : 26,181.96 = 10,588 : x
  2. Step 2: Convert to fraction form
    18,971.48/26,181.96 = 10,588/x
  3. Step 3: Cross multiply
    18,971.48x = 26,181.96 × 10,588
  4. Step 4: Simplify right side
    18,971.48x = 277,214,592.48
  5. Step 5: Solve for x
    x = 277,214,592.48/18,971.48
  6. Step 6: Final answer
    x = 14,612.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.